API courses can help you learn how to design, build, and test application programming interfaces, as well as understand RESTful services and authentication methods. You can build skills in data exchange formats like JSON and XML, error handling, and API documentation practices. Many courses introduce tools such as Postman for testing APIs, Swagger for documentation, and various programming languages like Python or JavaScript to implement API calls, allowing you to effectively integrate and manage data across different systems.

Skills you'll gain: iOS Development, Open Web Application Security Project (OWASP), Swift Programming, Mobile Security, Mobile Development, Secure Coding, Knowledge of Apple Hardware, IT Security Architecture, Application Security, Data Validation, Application Programming Interface (API), JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, File I/O, Data Access, Dataflow, Data Persistence, Database Management, Stored Procedure, SQL, Data Integrity, Data Import/Export, Databases, Secure Coding, File Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React.js, React Redux, Frontend Performance, Full-Stack Web Development, Unit Testing, Front-End Web Development, Event-Driven Programming, Performance Tuning, Frontend Integration, Context Management, Javascript, Code Reusability, Web Frameworks, JavaScript Frameworks, Software Testing, Server Side, Web Applications, UI Components, Software Design Patterns, Cascading Style Sheets (CSS)
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Structures, Javascript, Application Programming Interface (API), Computer Programming, Data Access, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, Retrieval-Augmented Generation, LLM Application, OpenAI API, Full-Stack Web Development, Restful API, Development Environment, Agentic systems, Vector Databases, Large Language Modeling, Data Management, Embeddings, Application Deployment, Data Integration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Go (Programming Language), Web Servers, JSON, Restful API, User Interface (UI), Web Applications, Server Side, Web Development, Application Programming Interface (API), Debugging, Front-End Web Development, Web Design and Development, Scalability, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Integrations, AI Security, LLM Application, Application Development, No-Code Development, OAuth, Application Programming Interface (API), Dataflow, Real Time Data, Key Management, Authentications, Data Integration, User Interface (UI) Design, Application Security, Authorization (Computing), Live Streaming, User Interface and User Experience (UI/UX) Design, Automation, Scalability
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: GitHub Copilot, Prompt Engineering, Prompt Patterns, Prompt Engineering Tools, Software Documentation, GitHub, Context Engineering, Generative AI Agents, LLM Application, AI Workflows, Context Management, Software Development, Agentic systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Cloud Deployment, Software Testing, Web Development, Real Time Data, Application Programming Interface (API), Authentications
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Schedules, Application Programming Interface (API), IT Automation, Scheduling, Scripting, Sprint Planning, Project Management Software, Performance Metric, Automation, Scripting Languages, Operational Efficiency, Business Metrics, Performance Measurement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, LLM Application, Data Quality, AI Workflows, Generative AI, Data Governance, Data Pipelines, Extract, Transform, Load, Distributed Computing, Data Management, Self Service Technologies, Cloud Storage, Data Processing, Data Storage, Scalability, Data Wrangling, Data Collection
Beginner · Course · 1 - 4 Weeks